.components-communication{
  margin-top: 30px;
  border-radius: 5px;
  padding: 16px;
  box-shadow: 0 0 10px #CCCCCC;
  .input-block{
    display: flex;
    .submit-button{
      margin-left: 20px;
    }
  }
  .user-button{
    margin-right: 15px;
  }
  .user-tip{
    margin-top: 15px;
  }
  .user-message{
    margin-top: 15px;
  }
}